The reality star joined oh-so-handsome beau Luis Morrison at the star studded event and completely stole the show (as per usual) in this blush pink lace-up dress which boasted a plunging neckline and an asymmetric pencil skirt.
The stunner took to Instagram to let her fashion savvy fans in on the look and revealed that she nabbed her fancy frock from celebrity favourite, Pretty Little Thing.
The most amazing part? It only set her back £30! Yep, you better believe it.
Cally teamed the gorgeous, spring-ready number (which we predict to be a sell-out) with a pair of gold strappy sandals but she gave the ensemble a casual twist with a brown-tan bowler bag. Louis Vuitton, obviously!
As always, Cally's locks were seriously on point and she scooped them back into an ultra sleek ponytail a la Kim Kardashian. A bold brow, a swipe of pink lippie and a sharp as hell contour was all she needed to draw gasps. Of the good kind, duh.
Cally and her boyf schmoozed with the likes of Kate Hudson, Stacey Solomon and Jack Black to name but a few high-profile guests who made it to the bash.
Girl crush alert, girl crush alert!
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